Question

If we have 10 pulses occurring in 2 micro seconds what would be the PRF

Answer 1

If we have 10 pulses occurring in 2 micro seconds, then in 1 second there would be $10\cdot \frac{1}{2 \cdot 10^{-6}}=5\cdot 10^6$ pulses. So, the PRF would be 5 MHz.